<template>
  <div id="login-bg">
    <div class="container">
      <el-card shadow="hover" class="login-container" style="border-radius: 20px 20px;">
        <div class="login">
          <div class="bg"></div>
          <div>
            <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
              <h3 class="title">全面预算管理系统</h3>
              <el-form-item prop="username">
                <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
                  <template #prefix>
                    <svg-icon icon-class="user" class="el-input__icon input-icon" />
                  </template>
                </el-input>
              </el-form-item>
              <el-form-item prop="password">
                <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off"
                          placeholder="密码"
                          @keyup.enter="handleLogin">
                  <template #prefix>
                    <svg-icon icon-class="password" class="el-input__icon input-icon" />
                  </template>
                </el-input>
              </el-form-item>
              <el-checkbox v-model="loginForm.rememberMe" style="margin: 0 0 25px 0">记住密码</el-checkbox>
              <el-form-item style="width: 100%">
                <el-button :loading="loading" size="large" type="primary" style="width: 100%;border-radius: 20px 20px"
                           @click.prevent="handleLogin">
                  <span v-if="!loading">登 录</span>
                  <span v-else>登 录 中...</span>
                </el-button>
              </el-form-item>
            </el-form>
          </div>

        </div>
      </el-card>

      <!--  底部  -->
      <div class="el-login-footer">
        <span>Copyright © 2024 同启苏沐软件有限公司 All Rights Reserved.</span>
      </div>
    </div>
  </div>


</template>

<script setup lang="ts">
import { getCodeImg, getTenantList } from "@/api/login";
import { authBinding } from "@/api/system/social/auth";
import { useUserStore } from "@/store/modules/user";
import { LoginData, TenantVO } from "@/api/types";
import { to } from "await-to-js";
import { HttpStatus } from "@/enums/RespEnum";

const userStore = useUserStore();
const router = useRouter();

const loginForm = ref<LoginData>({
  tenantId: "",
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
} as LoginData);

const loginRules: ElFormRules = {
  tenantId: [{ required: true, trigger: "blur", message: "请输入您的租户编号" }],
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 租户开关
const tenantEnabled = ref(true);

const redirect = ref(undefined);
const loginRef = ref<ElFormInstance>();
// 租户列表
const tenantList = ref<TenantVO[]>([]);

watch(
  () => router.currentRoute.value,
  (newRoute: any) => {
    redirect.value = newRoute.query && newRoute.query.redirect;
  },
  { immediate: true }
);

const handleLogin = () => {
  loginRef.value?.validate(async (valid: boolean, fields: any) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 localStorage 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        localStorage.setItem("tenantId", String(loginForm.value.tenantId));
        localStorage.setItem("username", String(loginForm.value.username));
        localStorage.setItem("password", String(loginForm.value.password));
        localStorage.setItem("rememberMe", String(loginForm.value.rememberMe));
      } else {
        // 否则移除
        localStorage.removeItem("tenantId");
        localStorage.removeItem("username");
        localStorage.removeItem("password");
        localStorage.removeItem("rememberMe");
      }
      // 调用action的登录方法
      const [err] = await to(userStore.login(loginForm.value));
      if (!err) {
        const redirectUrl = redirect.value || "/";
        await router.push(redirectUrl);
        loading.value = false;
      } else {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          await getCode();
        }
      }
    } else {
      console.log("error submit!", fields);
    }
  });
};

/**
 * 获取验证码
 */
const getCode = async () => {
  // const res = await getCodeImg();
  // const { data } = res;
  // captchaEnabled.value = data.captchaEnabled === undefined ? true : data.captchaEnabled;
  // if (captchaEnabled.value) {
  //   codeUrl.value = 'data:image/gif;base64,' + data.img;
  //   loginForm.value.uuid = data.uuid;
  // }
};

const getLoginData = () => {
  const tenantId = localStorage.getItem("tenantId");
  const username = localStorage.getItem("username");
  const password = localStorage.getItem("password");
  const rememberMe = localStorage.getItem("rememberMe");
  loginForm.value = {
    tenantId: tenantId === null ? String(loginForm.value.tenantId) : tenantId,
    username: username === null ? String(loginForm.value.username) : username,
    password: password === null ? String(loginForm.value.password) : String(password),
    rememberMe: rememberMe === null ? false : Boolean(rememberMe)
  } as LoginData;
};

/**
 * 获取租户列表
 */
const initTenantList = async () => {
  const { data } = await getTenantList();
  tenantEnabled.value = data.tenantEnabled === undefined ? true : data.tenantEnabled;
  if (tenantEnabled.value) {
    tenantList.value = data.voList;
    if (tenantList.value != null && tenantList.value.length !== 0) {
      loginForm.value.tenantId = tenantList.value[0].tenantId;
    }
  }
};

/**
 * 第三方登录
 * @param type
 */
const doSocialLogin = (type: string) => {
  authBinding(type, loginForm.value.tenantId).then((res: any) => {
    if (res.code === HttpStatus.SUCCESS) {
      // 获取授权地址跳转
      window.location.href = res.data;
    } else {
      ElMessage.error(res.msg);
    }
  });
};

onMounted(() => {
  getCode();
  initTenantList();
  getLoginData();
});
</script>

<style lang="scss" scoped>
#login-bg {
  height: 100%;
  width: 100%;
  background-image: url('@/assets/images/newBackground.png');
  background-size: 1000%;
  background-repeat: no-repeat;
  background-position: center;
}

.container {
  height: 100%;
  width: 100%;
  padding-top: 5%;
}

.login-container {

  height: 505px;
  width: 800px;
  margin: 0 auto;
}


.login {
  display: flex;

  .bg {
    background: url('@/assets/images/left-picture.png') no-repeat center center;
    background-size: cover;
    height: 505px;
    width: 500px;
  }

  .title {
    margin: 0 auto 30px auto;
    text-align: center;
    color: dodgerblue;
    font-size: 24px;
    font-weight: bolder;
  }

  .login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;
    height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;


    .el-input {
      height: 40px;

      input {
        height: 40px;
      }
    }

    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 0;
    }
  }

  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }

  .login-code {
    width: 33%;
    height: 40px;
    float: right;

    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }
}


.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial, serif;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}

::v-deep .el-card__body {
  height: 505px;
  padding: 0 !important;
}
</style>
